First published: Fri Jun 19 2020(Updated: )
An issue was discovered in Mattermost Server before 5.10.0, 5.9.1, 5.8.2, and 4.10.9. A non-member could change the Update/Patch Channel endpoint for a private channel.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Mattermost | <4.10.9 | |
Mattermost | >=5.7.0<5.7.3 | |
Mattermost | >=5.8.0<5.8.2 | |
Mattermost | >=5.9.0<5.9.1 | |
Mattermost | =5.10.0-rc1 | |
Mattermost | =5.10.0-rc2 | |
Mattermost | =5.10.0-rc3 | |
Mattermost | =5.10.0-rc4 | |
Mattermost | =5.10.0-rc5 | |
Mattermost | =5.10.0-rc6 |
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CVE-2019-20869 is classified as a moderate severity vulnerability.
To fix CVE-2019-20869, upgrade Mattermost Server to version 5.10.0 or later.
CVE-2019-20869 affects Mattermost Server versions before 5.10.0, 5.9.1, 5.8.2, and 4.10.9.
CVE-2019-20869 allows a non-member to change the Update/Patch Channel endpoint for a private channel.
There is no formal workaround for CVE-2019-20869, upgrading to a patched version is recommended.